50. 2x50 = 100. To be safe I would go with any number Between 50 and 100
Step-by-step explanation:
1. a² - ( b ² - 2bc + c² ) = a ² - b ² + 2bc - c²
2. 8p² - 18 q²
3. 3ab² - c²d + 3ab - b²c²
4. x² - 2x + 1
Answer:
<em>Solution: x=5</em>
Step-by-step explanation:
<u>Equations</u>
This is an equation in the form of a proportion or ratio:

To solve it, we eliminate the denominators by multiplying by both of them.
Multiply by (x+3)(4x):

Simplify both sides:

Operate:

Simplify:

Solve for x:

Solution: x=5
Answer:
x=110
Step-by-step explanation:
Since the sum of the interior angles of a trapazoid is 360, all you have to do is add the angles given and subtract that by 360, which gets you 110.